This page will guide you through the Power Reactor Information System (PRIS) database, widely considered to be the most authoritative data base on nuclear power reactors. It contains information on operating experience of worldwide nuclear power plants. PRIS contains information on operating experience of nuclear power plants worldwide. Within the PRIS home page you will find information on the contents of the database, its associated publications and services to IAEA Member States. You can also view the latest information on the status of nuclear power plants and statistics on availability of nuclear power plants worldwide.